11. Tinnitus is also a classical side effect of quinidine, a Class IA anti-arrhythmic . 12. Clinical trials comparing defibrillators to anti-arrhythmic drugs like amiodarone ( Cordarone ) are under way. 13. Procter & Gamble Co . is also developing one of the anti-arrhythmic drugs. 14. It is a sodium channel blocker and therefore classified as a Class 1a anti-arrhythmic agent. 15. Some of the " Per2 " knockout mice can also become arrhythmic under constant light conditions. 16. There is no evidence for arrhythmic or potentially arrhythmic events in clinical studies, including in high risk populations, 17. There is no evidence for arrhythmic or potentially arrhythmic events in clinical studies, including in high risk populations, 18. She says theater and television are completely different for one simple reason : " Television writing is arrhythmic . 19. In the development stage, some anti-arrhythmic drugs have turned out to do more harm than good. 20. "That's made a lot of folks run scared of anti-arrhythmic drugs,"
